
聚乙烯醇纤维(一种合成纤维)_百度百科
聚乙烯醇纤维(简称PVA纤维)是以高聚合度的优质聚乙烯醇(PVA)为原料,采用特定的先进技术加工而成的一种合成纤维。 聚乙烯醇纤维其主要特点是强度高模量高、伸度低、耐磨、抗酸碱、耐候性好,与水泥、石膏等基材有良好的亲和力和结合性,且无毒、无污染、不损伤人体肌肤,对人体无害,是新一代高科技的 绿色建材 之一。 生产维轮纤维的原料聚乙烯醇是一种水溶性高聚合物,性能介于塑料和橡胶之间,用途广泛。 我国的聚乙烯醇生产能力和产量均居世界第一, …
Polyvinyl alcohol - Wikipedia
Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water - soluble synthetic polymer. It has the idealized formula [CH 2 CH (OH)] n. It is used in papermaking, textile warp sizing, as a thickener and emulsion stabilizer in polyvinyl acetate (PVAc) adhesive formulations, in a variety of coatings, and 3D printing. It is colourless (white) and odorless.
Structure evolution and performance of poly (vinyl alcohol) fibers …
2023年1月1日 · PVA profiled fibers with controllable cross section shapes were prepared by melt spinning. The crystallinity, orientation and mechanical properties of PVA profile-shaped fibers were improved by hot drawing. The roundness of profiled fiber was regulated during hot drawing endowing PVA fiber with good shaped profile.
KURALON | kuraray
KURALON™ is a synthetic fiber made of polyvinyl alcohol (PVOH), which is used in many industrial applications owing to its unique and excellent performance. Kuraray is the world’s leading producer of polyvinyl alcohol fiber, as well as resin. KURALON™ is available as staple fiber, spun yarn, short-cut fiber and filament. Ropes, sewing thread.
Effect of polyvinyl alcohol fiber on the mechanical properties and ...
2023年12月1日 · This research discusses the various proportions of polyvinyl alcohol fibers (PVA) as reinforcing materials by total volume fraction in ECC in terms of mechanical properties performance, environmental consequences, and economic effects.
高强高模聚乙烯醇纤维(PVA Fiber) - 常州市天怡工程纤维有限 …
聚乙烯醇高强高模纤维(PVA)是以聚乙烯醇为主要原料经溶解、纺丝、热定型、切断、打包制成高强度高模量纤维。 该产品具有高强度、高模量、低伸度、分散性好的优点,并有耐酸、碱、盐、耐磨损、耐日照、耐腐、霉、防虫蛀等特点,与水泥的亲和性较好,可适用于各种增强材料,广泛用于建材、安全网及工业用纺织品。 Note:M denotes 3mm,6mm,9mm,12mm,15mm. 3、耐酸碱性:在长时间高温下,强度损失比其他纤维都低。 4、耐光性:在长时间的日照下,纤维强度损 …
The Influence and Mechanism of Polyvinyl Alcohol Fiber on the ...
2024年10月8日 · This study investigates the impact of polyvinyl alcohol (PVA) fibers on the mechanical properties and durability of high-performance shotcrete (HPS). Results demonstrate that PVA fibers have a dual impact on the performance of HPS.
What Are PVA Fibers? - Buddy Rhodes
PVA (Polyvinyl alcohol) fibers are monofilament fibers that disperse throughout the concrete matrix, creating a multi-directional fiber network, providing shrinkage control, abrasion resistance, and protection from thermal expansion and contraction.
Super Strong and Tough PVA Hydrogel Fibers Based on an …
2024年10月18日 · PVA molecular chain crystallites provide physical crosslinking to stabilize the structure. The results show that the elongation at break of the hydrogel fiber can reach 257%). The strength reaches 190.04 MPa, which is more than …
Research Progress and Performance Evaluation of Polyvinyl Alcohol Fiber …
2023年7月13日 · Polyvinyl alcohol fiber engineered cementitious composites (PVA-ECC) have attracted wide attention due to their high toughness and narrow cracks. This review evaluated research results on PVA-ECC to further promote its research and application. The suitable length, diameter, and content of PVA fiber for ECC were recommended.
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